[Walter]’s device was based upon the Arduino Leonardo. Starting with the Caterina bootloader, modifications were made to enable the device to be locked and unlocked for programming.

May be interested in a new Arduino prototyping kit and bootloader shield that has been created by serial Kickstarter entrepreneur Patrick Thomas Mitchell, who we have featured before here on Geeky ...

According to Arduino, the Nano ESP32 brings plug-and-play IoT deployments to advanced enterprise use cases and hobbyist engineers. The Nano ESP32 18×45-mm development board is available to order today ...

The power of Espressif’s ESP32-S3 meets Arduino’s unmatched customer experience, documentation and community — all in the compact form factor of the Nano. Provides support for both ...

Arduino has announced four new Nano microcontroller-based boards that will be available for developers and makers in late July. The new lineup is compatible with the original Nano boards and ...

Arduino has introduced a Nano shaped board with a Wi-Fi and Bluetooth LE capable Espressif’s ESP32-S3 microcontroller, supporting it with the Arduino IDE and MicroPython. “Beginners can explore in an ...

Arduino Maker Nano RP2040 “Slightly shorter than a Pico, this board has 30 pre-soldered pins, all helpfully labelled on the silkscreen.